New magnetic spray transforms pills into mini robots that can be navigated throughout the body

A magnetic spray is capable to turning objects into moving robots, which could be used to navigate drugs throughout the body. Scientists at the City University in Hong Kong revealed the innovation made of polyvinyl alcohol, gluten and iron particles. Called'M-spray,' it is capable of sticking on the targeted object and when it activates, allows the object to walk, roll and crawl using a magnetic field. The team foresees their creation being applied to pills, which doctors to move to a targeted part of the body. A magnetic spray is capable to turning objects into moving robots, which could be used to navigate drugs throughout the body.